Triple
T2429987
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London Northwestern Railway |
E52818
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | West Midlands metropolitan area |
E15155
|
NE FINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: West Midlands metropolitan area | Statement: [London Northwestern Railway, regionServed, West Midlands metropolitan area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Midlands metropolitan area Context triple: [London Northwestern Railway, regionServed, West Midlands metropolitan area]
-
A.
West Midlands
chosen
West Midlands is a metropolitan county and region in central England that includes major cities such as Birmingham, Coventry, and Wolverhampton and serves as a key industrial and cultural hub.
-
B.
Northwest Midlands of England
The Northwest Midlands of England is a historical region whose distinctive Middle English dialect is famously preserved in the works of the anonymous "Gawain Poet," including Sir Gawain and the Green Knight.
-
C.
West Yorkshire Urban Area
The West Yorkshire Urban Area is a large, densely populated conurbation in northern England centered on Leeds and its surrounding towns and cities.
-
D.
Sheffield City Region
Sheffield City Region is an English metropolitan area and economic region centered on the city of Sheffield, encompassing surrounding towns and districts for coordinated governance and development.
-
E.
East Midlands
The East Midlands is a region of central England known for its mix of historic industrial cities, rural landscapes, and transport links connecting northern and southern England.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69ab4959bcc0819083246f9fb10439e3 |
completed | March 6, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69abc99fcd048190a85b95a9a8ae6d4d |
completed | March 7, 2026, 6:45 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69aebf6634a48190af82eab6b9750323 |
completed | March 9, 2026, 12:39 p.m. |
Created at: March 6, 2026, 9:43 p.m.